adm-p01iii ~ # tail -f /var/log/syslog 
Jan 30 18:23:59 adm-p01iii kernel: [  178.152025] mei_me 0000:00:03.0: timer: connect/disconnect timeout.
Jan 30 18:23:59 adm-p01iii kernel: [  178.152034] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED
Jan 30 18:24:00 adm-p01iii NetworkManager[1029]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
Jan 30 18:24:00 adm-p01iii kernel: [  179.268122] e1000e: eth0 NIC Link is Down
Jan 30 18:24:05 adm-p01iii NetworkManager[1029]: <info> (eth0): device state change: activated -> unavailable (reason 'carrier-changed') [100 20 40]
Jan 30 18:24:05 adm-p01iii NetworkManager[1029]: <info> (eth0): deactivating device (reason 'carrier-changed') [40]
Jan 30 18:24:05 adm-p01iii kernel: [  184.152078] mei_me 0000:00:03.0: timer: connect/disconnect timeout.
Jan 30 18:24:05 adm-p01iii kernel: [  184.152086] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED
Jan 30 18:24:05 adm-p01iii NetworkManager[1029]: <info> (eth0): canceled DHCP transaction, DHCP client pid 1732
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Withdrawing address record for fe80::21a:4bff:feb8:aa88 on eth0.
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::21a:4bff:feb8:aa88.
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Interface eth0.IPv6 no longer relevant for mDNS.
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Withdrawing address record for 10.16.11.1 on eth0.
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Leaving mDNS multicast group on interface eth0.IPv4 with address 10.16.11.1.
Jan 30 18:24:05 adm-p01iii avahi-daemon[887]: Interface eth0.IPv4 no longer relevant for mDNS.
Jan 30 18:24:05 adm-p01iii NetworkManager[1029]: <warn> DNS: plugin dnsmasq update failed
Jan 30 18:24:05 adm-p01iii NetworkManager[1029]: <info> Removing DNS information from /sbin/resolvconf
Jan 30 18:24:05 adm-p01iii dnsmasq[1744]: vorgelagerte Server von DBus gesetzt
Jan 30 18:24:05 adm-p01iii kernel: [  184.205256] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
Jan 30 18:24:10 adm-p01iii sh: nss-ldap: do_open: do_start_tls failed:stat=-1
Jan 30 18:24:10 adm-p01iii sh: nss-ldap: do_open: do_start_tls failed:stat=-1
Jan 30 18:24:11 adm-p01iii kernel: [  190.152027] mei_me 0000:00:03.0: timer: connect/disconnect timeout.
Jan 30 18:24:11 adm-p01iii kernel: [  190.152035] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED
Jan 30 18:24:11 adm-p01iii sh: nss-ldap: do_open: do_start_tls failed:stat=-1
Jan 30 18:24:17 adm-p01iii kernel: [  196.152066] mei_me 0000:00:03.0: timer: connect/disconnect timeout.
Jan 30 18:24:17 adm-p01iii kernel: [  196.152074] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED
Jan 30 18:24:19 adm-p01iii NetworkManager[1029]: <info> NetworkManager state is now DISCONNECTED
Jan 30 18:24:19 adm-p01iii dbus[813]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
Jan 30 18:24:19 adm-p01iii dbus[813]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Jan 30 18:24:23 adm-p01iii kernel: [  202.152025] mei_me 0000:00:03.0: timer: connect/disconnect timeout.
Jan 30 18:24:23 adm-p01iii kernel: [  202.152033] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED